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Harmonic drive

A technology of harmonic transmission and transmission components, which is applied to transmission devices, valve devices, engine components, etc., and can solve problems such as inability to completely eliminate roundness deviations

Active Publication Date: 2021-11-26
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, deviations from roundness of substantially rotationally symmetrical components cannot be completely ruled out

Method used

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  • Harmonic drive
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Examples

Experimental program
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Embodiment Construction

[0021] exist figure 1 The structure of the harmonic drive, designated as a whole by the reference numeral 1, is shown in , with regard to its principle and function, reference is made to the prior art cited at the outset.

[0022] The harmonic drive 1 has a housing 2 which is fixedly connected to a drive wheel 3 . The drive wheel 3 can be driven, for example, by means of a traction mechanism or a gear. Furthermore, a drive gear 4 is fixedly connected as a transmission element to the housing 2 , said drive gear being provided with internal toothing. Next to the drive gear 4 there is a driven component 5 as a further transmission component, which is likewise provided with internal toothing and is rigidly coupled via a driven disc 6 to the driven shaft 7 .

[0023] Radially inside the two transmission components 4 , 5 provided with internal toothing, there is a wave generator 8 which is driven by means of an adjusting shaft 9 . The adjusting shaft 9 is coupled via a compensati...

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PUM

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Abstract

The invention relates to a harmonic drive (1) comprising a wave generator (8), a flexible, externally toothed transmission element (14) deformable by the wave generator, and at least one An internally toothed transmission element (4, 5) meshing with a flexible externally toothed transmission element (14) having a non-circular Different configurations of oval shapes.

Description

technical field [0001] The invention relates to a harmonic drive that can be used as an adjusting drive, the harmonic drive having a wave generator and a flexible, externally toothed transmission element deformable by the wave generator, the transmission element In particular, it is in the form of a flexible ring, in which a flexible transmission component provided with external toothing meshes with at least one typically rigid transmission component provided with internal toothing. Background technique [0002] Such a harmonic drive is known, for example, from EP 0 741 256 B1. The elastic, externally toothed element of the harmonic drive is formed as a so-called cylinder head and has different regions of different thickness. [0003] In addition to differences in wall thicknesses, for example in the components of transmissions, especially in harmonic drives, production-induced deviations occur in series production Among the deformable parts of the device can be predetermi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H49/00
CPCF01L2001/3521F16H49/001F16H2049/003F01L1/352
Inventor 赖纳·奥特斯巴赫彼得·齐雷尔托比亚斯·普雷乌斯
Owner SCHAEFFLER TECH AG & CO KG